A messaging app is a software application that allows users to send and receive text messages, images, videos, and other media over the internet. These apps often provide features like group chats, voice calls, and video calls, making communication more versatile and convenient. Popular examples include WhatsApp, Facebook Messenger, and Telegram. Messaging apps typically require an internet connection and can be used on various devices, including smartphones, tablets, and computers. They often prioritize user privacy and security, offering end-to-end encryption to protect conversations from unauthorized access.